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Flashcards in Elements Deck (22):
1

What is a element

Substance only made out of one matter

2

What is a compound

Pure substance that can’t be broken down

3

What is a mixture

Pure substance composed of at least 2 elements

4

What is a physical change

No new substance is made, easy to change back most of the time

5

What is chemical change

New colour, heat, harder to go back

6

What kind of charge do electrons have

Negative

7

Charge of protons

Positive

8

Neutrons

No charge

9

Do electrons equal the same of protons

Yes

10

Where do electrons go

To the shells

11

How many atoms do elements have

1

12

does all mater have elements

Yes

13

Where are all elements listed

Periodic table

14

What’s the atomic number

Amount of protons in nucleus

15

What’s a ion charge

It’s a electric charge that forms a atom when it gains or loses electrons

16

What are the 3 classifications of elements

Metals non metals and metalloids

17

What are metalloids

They share smar properties of metals and non metals

18

Where are the metalloids

They are at the diagonal line in the table

19

What are alkali

Highly reactive metals normally reactive to oxygen and water

20

What are alkali earth metals

Burn if heated used in fire works

21

What are halogens

Highly reactive non metals

22

What are noble gases

Very stable and chill like bob ross